[a.b.c]
key = 1

[a."b.c"]
key = 2

[a.'d.e']
key = 3

[a.' x ']
key = 4

[ d.e.f ]
key = 5

[ g . h . i ]
key = 6

[ j . "ʞ" . 'l' ]
key = 7

[x.1.2]
key = 8
